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Beta Explained: What It Is and How to Calculate It

Valutico

In the world of finance and investing, the concept of beta plays a vital role in assessing an investment’s risk and volatility. Whether you’re a seasoned investor or new to the market, understanding beta can empower you to make informed decisions. What is beta and how do you calculate beta?

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Data Update 1 for 2025: The Draw (and Danger) of Data

Musings on Markets

Thus, as you peruse my historical data on implied equity risk premiums or PE ratios for the S&P 500 over time, you may be tempted to compute averages and use them in your investment strategies, or use my industry averages for debt ratios and pricing multiples as the target for every company in the peer group, but you should hold back.

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Data Update 6 for 2025: From Macro to Micro - The Hurdle Rate Question!

Musings on Markets

In the first five posts, I have looked at the macro numbers that drive global markets, from interest rates to risk premiums, but it is not my preferred habitat. The second set of inputs are prices of risk, in both the equity and debt markets, with the former measured by equity risk premiums , and the latter by default spreads.

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Data Update 4 for 2022: Risk = Danger + Opportunity!

Musings on Markets

Relative Risk Measures Before we embark on how to measure relative risk, where there can be substantial disagreement, let me start with a statement on which there should be agreement. At the start of 2022, the ten sectors (US) with the highest and lowest relative risk (unlettered betas), are shown below.

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Country Risk: A 2022 Mid-year Update!

Musings on Markets

Country Risk: Equity Risk For equity investors, the price of risk is captured by the equity risk premium, and equity risk premiums will vary across countries. Please do not attach any political significance to my country groupings, or take them personally.

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What is Beta in Finance, and why is it Essential for a Business Valuation?

Equilest

What is Beta in Finance, and why is it essential for a business valuation? Are you considering evaluating a business using an excel template without understanding Beta in Finance? In statistics, beta is defined as the slope of a straight line. The beta measures the return of the stock relative to the market return.

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What is the Capital Asset Pricing Model (CAPM)?

Andrew Stolz

If an investor moves money from the risk-free asset into the stock market, they should expect to earn a return in excess of the risk-free rate, what is called an equity risk premium. Investments are exposed to two types of risk: systematic and unsystematic. beta of a stock). E(r) = Rf + ??(Rm